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<?php
namespace PHPAlgorithms\Dijkstra;
use PHPAlgorithms\Dijkstra\Exceptions\RelationException;
use PHPAlgorithms\GraphTools\AbstractLine;
use PHPAlgorithms\GraphTools\Traits\MagicGet;
class Relation extends AbstractLine {
use MagicGet;
private $distance;
public function __construct($from, $to, $distance = null)
{
parent::__construct($from, $to);
if (!is_null($distance)) {
$this->setDistance($distance);
}
public function setDistance($distance)
if (!is_numeric($distance) && ($distance <= 0)) {
throw new RelationException('Distance must be numeric value greater than 0');
$this->distance = $distance;
PHPAlgorithms /
Dijkstra-s-algorithm
